Do you use as linker arguments --specs=rdimon.specs -lrdimon ? If not you could give that a try.
On Jan 21, 2017 21:59, "Anthony Merlino" <anth...@vergeaero.com> wrote: > That makes since, I misunderstood before, I thought this was a JTAG > specific functionality. Thanks for the clarification. Unfortunately I > have an external ST-Link V2, not the onboard. > > I suppose that brings the original question back. Trying to get > semihosting working. It sounds very similar to Segger RTT so it seems > possible. Even better is it shouldn't be more than an openocd command and > a couple tool-chain flags (in theory). but I'm not so sure of where to > start. > > [image: photo] > *Anthony Merlino* > CTO & Co-founder, Verge Aero > (609)-319-1399 > > On 1/21/2017 3:43:43 PM, DipSwitch <dipswi...@ownage4u.nl> wrote: > Segger RTT only works with segger J-link. However if your st link came > from a nucleo or discovery you can update the firmware to a J-Link with > limited functionality. > > > > On Jan 21, 2017 21:36, "Anthony Merlino" <anth...@vergeaero.com> wrote: > >> Thanks everyone for the suggestions. Segger RTT looks like it could be >> the perfect solution. It actually sounds very similar to semihosting. >> >> I am trying to use this with an ST-Link V2 and STM32 cortex m3 >> processor. Does anyone know if it has been tested on this? I've added the >> module, but it doesn't seem to be working. I have used the debug target to >> start gdb and my program. >> >> Thanks again, >> Anthony >> >> [image: photo] >> *Anthony Merlino* >> CTO & Co-founder, Verge Aero >> (609)-319-1399 >> >> On 1/21/2017 2:35:16 PM, Michael Andersen <mich...@steelcode.com> wrote: >> More details in the rtt_stdio readme https://github.com/RIOT >> -OS/RIOT/blob/master/sys/rtt_stdio/README.md >> >> On Jan 21, 2017 11:32 AM, "Michael Andersen" <mich...@steelcode.com> >> wrote: >> >>> Hey, I use Segger RTT. I believe my changes were merged in to RIOT as >>> rttstdio. You get very high performance studio without a UART. It should be >>> as simple as adding the module to your makefile. >>> >>> On Jan 21, 2017 10:41 AM, "Anthony Merlino" <ant.merl...@gmail.com> >>> wrote: >>> >>>> Hi everyone, >>>> >>>> Has anyone used semihosting with an ARM core to allow them to use the >>>> debugger for stdio for the shell? I don't have an available UART on this >>>> board I'm developing for. My two options are USB or semihosting with the >>>> debugger. As USB currently is unsupported with Riot, it'd be great to >>>> figure out how to utilize semihosting in the meantime. >>>> >>>> Any info is appreciated. >>>> >>>> Sincerely, >>>> Anthony >>>> >>>> _______________________________________________ >>>> devel mailing list >>>> devel@riot-os.org >>>> https://lists.riot-os.org/mailman/listinfo/devel >>>> >>>> _______________________________________________ devel mailing list >> devel@riot-os.org https://lists.riot-os.org/mailman/listinfo/devel >> >> >> _______________________________________________ >> devel mailing list >> devel@riot-os.org >> https://lists.riot-os.org/mailman/listinfo/devel >> >> _______________________________________________ devel mailing list > devel@riot-os.org https://lists.riot-os.org/mailman/listinfo/devel > > > _______________________________________________ > devel mailing list > devel@riot-os.org > https://lists.riot-os.org/mailman/listinfo/devel > >
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